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Five horses are in a race. Mr. A selects...

Five horses are in a race. Mr. A selects two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is `3//5` b. `1//5` c. `2//5` d. `4//5`

A

`3//5`

B

`1//5`

C

`2//5`

D

`4//5`

Text Solution

Verified by Experts

The correct Answer is:
C
Out of 5 horses, only one is the wining horse. The probability that Mr. A selected that losing horse is `4//5xx3//4.` therfore, the required probability is
`1-4/5xx3/4=13/5=2/5`
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CENGAGE PUBLICATION-PROBABILITY II-EXERCISE
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  10. If odds against solving a question by three students are 2:1, 5:2, and...

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  11. An unbiased coin is tossed 6 times. The probability that third head ap...

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  12. A coin is tossed 7 times. Then the probability that at least 4 cons...

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  15. An unbiased cubic die marked with 1,2,2,3,3,3 is rolled 3 times. The p...

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  16. A fair die is tossed repeatedly. A wins if if is 1 or 2 on two consecu...

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  17. Whenever horses a,b,c race together, their respective probabilities of...

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  19. If p is the probability that a man aged x will die in a year, then the...

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